Official NHA Assessment

Race 6: FOR HOSPITALITY BOOKINGS CALL 011 681 1796 PINNACLE STAKES (Open to all horses)

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Line Horse
Chasing Happiness
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
4 / 8
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Elegant Ice          4    52.5    1    0.00     11.0  107   104          104   -3
2    Chasing Happiness    3    56.5    2    0.30     9.5   115   115          115   +0
3    Lucky Lad            4    62.0    3    1.40     11.0  124   123          123   -1
4    Ready To Charge      2    56.0    4    1.70     6.5   110   120          120   +10
5    Minogue              4    53.0    5    3.00     11.0  108   105          105   -3
6    Pistol Pete          3    58.0    6    4.60     9.5   115   118          118   +3
7    Dantonfromsandton    3    54.0    7    11.00    9.5   108   110          110   +2
99   Lead The Charge      2    46.0    99   0.00     6.5   -     100          100   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Elegant Ice 107 108 104 +4 11.0 -
2 Chasing Happiness Line 115 110 115 -5 9.5
3 Lucky Lad 124 118 123 -5 11.0 -
4 Ready To Charge 110 110 120 -10 6.5 -
5 Minogue 108 112 105 +7 11.0 -
6 Pistol Pete 115 118 118 ✓ Match 9.5 -
7 Dantonfromsandton 108 96 110 -14 9.5 -
99 Lead The Charge - 89 100 -11 6.5 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points